diff options
Diffstat (limited to 'engines/glk/advsys/vm.cpp')
| -rw-r--r-- | engines/glk/advsys/vm.cpp | 17 |
1 files changed, 9 insertions, 8 deletions
diff --git a/engines/glk/advsys/vm.cpp b/engines/glk/advsys/vm.cpp index a2ce0f2832..8c6072c73e 100644 --- a/engines/glk/advsys/vm.cpp +++ b/engines/glk/advsys/vm.cpp @@ -444,8 +444,9 @@ bool VM::parseInput() { // Initialize the parser result fields _actor = _action = _dObject = _iObject = 0; _ndObjects = 0; - _adjectiveList.clear(); _nouns.clear(); + _adjectiveList.clear(); + _adjectiveList.reserve(20); // Get the input line if (!getLine()) @@ -460,7 +461,7 @@ bool VM::parseInput() { } // Check for a verb - if (getVerb()) + if (!getVerb()) return false; // Get direct object, preposition, and/or indirect object @@ -517,8 +518,7 @@ bool VM::parseInput() { _dObject = noun1; _ndObjects = cnt1; _iObject = noun2; - } - else if (noun2) { + } else if (noun2) { if (cnt1 > 1) { parseError(); return false; @@ -540,7 +540,7 @@ bool VM::parseInput() { flags |= A_IOBJECT; // Find the action - if (!(_action == findAction(_verbs, preposition, flags))) { + if (!(_action = findAction(_verbs, preposition, flags))) { parseError(); return false; } @@ -612,6 +612,7 @@ uint VM::getNoun() { _adjectiveList.push_back(ae); } _adjectiveList.push_back(AdjectiveEntry()); + assert(_adjectiveList.size() <= 20); // Add a noun entry to the list Noun n; @@ -626,7 +627,7 @@ uint VM::getNoun() { bool VM::getVerb() { _verbs.clear(); - if (*_wordPtr == NIL || getWordType(*_wordPtr) != WT_VERB) { + if (_wordPtr == _words.end() || getWordType(*_wordPtr) != WT_VERB) { parseError(); return false; } @@ -634,8 +635,8 @@ bool VM::getVerb() { _verbs.push_back(*_wordPtr++); // Check for a word following the verb - if (!_words.empty()) { - _verbs.push_back(_words.front()); + if (_wordPtr < _words.end()) { + _verbs.push_back(*_wordPtr); if (checkVerb(_verbs)) { ++_wordPtr; |